Datadog's Cloud SIEM Investigator is a tool designed to help organizations conduct historical security investigations, enabling them to understand the scope and impact of an attack, regardless of when it occurred. By visualizing logs, finding patterns in Security Signals, and managing attacks with Workflow Automation, teams can gain insights into security breaches, identify malicious actors, and respond quickly to contain and remediate incidents. Cloud SIEM Investigator supports AWS CloudTrail logs and Google Cloud Audit Logs, providing a cost-effective way to store a deep history of logs and enabling organizations to proactively monitor their cloud infrastructure for threats.